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# 0.12.4
- [executable bits to support build platform linters](https://github.com/rust-lang-nursery/error-chain/pull/289)
# 0.12.2
- [allow `Error::description` to be used for rust below 1.42](https://github.com/rust-lang-nursery/error-chain/pull/285)
- [Improvements to has_backtrace_depending_on_env](https://github.com/rust-lang-nursery/error-chain/pull/277)
- Backtrace support now requires rust 1.32.0
# 0.12.1
- [`std::error::Error::cause` deprecation update](https://github.com/rust-lang-nursery/error-chain/pull/255)
# 0.12.0
# 0.11.0
- Change last rust version supported to 1.14
- [Cache whether RUST_BACKTRACE is enabled in a relaxed atomic static.](https://github.com/rust-lang-nursery/error-chain/pull/210)
- [Mask the `quick_error` macro from the doc](https://github.com/rust-lang-nursery/error-chain/pull/210)
- [Make generated `ErrorKind` enums non-exhaustive](https://github.com/rust-lang-nursery/error-chain/pull/193)
- All 0.11.0-rc.2 changes
# 0.11.0-rc.2
- [Make `ErrorChainIter`'s field private](https://github.com/rust-lang-nursery/error-chain/issues/178)
- [Implement `Debug` for `ErrorChainIter`](https://github.com/rust-lang-nursery/error-chain/issues/169)
- [Rename `ChainedError::display` to `display_chain`](https://github.com/rust-lang-nursery/error-chain/issues/180)
- [Add a new method for `Error`: `chain_err`.](https://github.com/rust-lang-nursery/error-chain/pull/141)
- [Allow `chain_err` to be used on `Option<T>`](https://github.com/rust-lang-nursery/error-chain/pull/156)
- [Add support for creating an error chain on boxed trait errors (`Box<Error>`)](https://github.com/rust-lang-nursery/error-chain/pull/156)
- [Hide error_chain_processed macro from documentation.](https://github.com/rust-lang-nursery/error-chain/pull/212)
# 0.10.0
- [Add a new constructor for `Error`: `with_chain`.](https://github.com/rust-lang-nursery/error-chain/pull/126)
# 0.9.0
# 0.8.1
- Add crates.io category.
# 0.8.0
- [Add `ChainedError::display` to format error chains](https://github.com/rust-lang-nursery/error-chain/pull/113)
# 0.7.2
- Add `quick_main!` (#88).
- `allow(unused)` for the `Result` wrapper.
- Minimum rust version supported is now 1.10 on some conditions (#103).
# 0.7.1
# 0.7.0
- [Rollback several design changes to fix regressions](https://github.com/rust-lang-nursery/error-chain/pull/75)
- New `Variant(Error) #[attrs]` for `links` and `foreign_links`.
- Hide implementation details from the doc.
- Always generate `Error::backtrace`.
# 0.6.2
- Allow dead code.
# 0.6.1
- Fix wrong trait constraint in ResultExt implementation (#66).
# 0.6.0
- Conditional compilation for error variants.
- Backtrace generation is now a feature.
- More standard trait implementations for extra convenience.
- Remove ChainErr.
- Remove need to specify `ErrorKind` in `links {}`.
- Add ResultExt trait.
- Error.1 is a struct instead of a tuple.
- Error is now a struct.
- The declarations order is more flexible.
- Way better error reporting when there is a syntax error in the macro call.
- `Result` generation can be disabled.
- At most one declaration of each type can be present.
# 0.5.0
- [Only generate backtraces with RUST_BACKTRACE set](https://github.com/rust-lang-nursery/error-chain/pull/27)
- [Fixup matching, disallow repeating "types" section](https://github.com/rust-lang-nursery/error-chain/pull/26)
Contributors: benaryorg, Brian Anderson, Georg Brandl
# 0.4.2
- [Fix the resolution of the ErrorKind description method](https://github.com/rust-lang-nursery/error-chain/pull/24)
Contributors: Brian Anderson
# 0.4.1 (yanked)
- [Fix a problem with resolving methods of the standard Error type](https://github.com/rust-lang-nursery/error-chain/pull/22)
Contributors: Brian Anderson
# 0.4.0 (yanked)
- [Remove the foreign link description and forward to the foreign error](https://github.com/rust-lang-nursery/error-chain/pull/19)
Contributors: Brian Anderson, Taylor Cramer
# 0.3.0
- [Forward Display implementation for foreign errors](https://github.com/rust-lang-nursery/error-chain/pull/13)
Contributors: Brian Anderson, Taylor Cramer
# 0.2.2
- [Don't require `types` section in macro invocation](https://github.com/rust-lang-nursery/error-chain/pull/8)
Contributors: Brian Anderson, Jake Shadle, Nate Mara